Java生成公私钥对

public static synchronized KeyPair generateRSAKeyPair(int keysize, BigInteger publicExponent) {
try {
keyPairGen.initialize(new RSAKeyGenParameterSpec(keysize, publicExponent), new SecureRandom());
return keyPairGen.generateKeyPair();
} catch (Exception var3) {
LOGGER.error("生成模长 =" + keysize + "，指数=" + publicExponent + "的RSA密钥对失败", var3);
return null;
}
}

public static void main(String[] args) throws Exception {
KeyPair keyp = RSAUtils.generateRSAKeyPair(1408, RSAKeyGenParameterSpec.F0);
PrivateKey privateKey = keyp.getPrivate();
PublicKey publicKey = keyp.getPublic();
}